IRON °FLASK Co-Pilot Insulated Mug w/Straw & Flip Cap Lids - Cup Holder Bottle for Hot, Cold Drink - Leak-Proof - Water, Coffee Portable Travel Mug - Burgundy, 40 Oz

I finally started going back into the office and I needed a coffee mug that wasn't giant. I ordered this one, and it's the perfect size. I tested it several time with different liquids to see if it would leak at all with the cap that does not have the straw (we are required to be able to fully close the container at work).I didn't have any leaks and the lid fits nicely on the mug. I have almost an hour long commute and this keeps my coffee piping hot all the way to work, which is exactly what I wanted.The mug is easy to clean and the outside is beautiful! I'm very happy that I bought this mug as it's easy to handle and fits perfectly in my cars cup holder.

This cup has been fantastic. However, after 4.5 months it now leaks from the seal at the lid. And I mean it leaks A LOT! I would like to reach out to the company to see what they can do but have not found a way because I’m outside of my 30 day return window. It’s really disappointing that it lasted such a short time.

Love this cup! It's expensive, but it's worth every penny! I love the colour. The two lids (one for straws, one for without) are in fact spill proof. The rubber bottom is just enough to grip without being irritating. The size is great. Easily my favourite cup!

Es perfecto! Excelente tamaño, color justo como en las fotos, gran calidad y conserva mi agua helada por días! Es mi quinto producto de Iron Flask. Recomendado!!

I never take a drive that lasts more than a few minutes without this Iron Flask. We live in a fairly rural and mountainous area, and you don't want to have an incident or flat tire with no water aboard. 40 ounces is a confidence-building amount for each of us.Especially after a recent price drop, the Iron Flask is a phenomenal deal compared with the comically overpriced Stanley mug. And it's built like a tank. When I dropped my previous steel mug on our stone tile floor, the paint chipped off. But the Iron Flask has been dropped the same way and still looks new.I like that fact that there's no need to clean and maintain a straw with those maddening straw tools unless you wish. I find that the flip-top drinking method makes it both easier to drink and easier to clean. And the Flask is designed so that when you finish screwing on the top, the drinking mechanism perfectly faces your mouth.My water stays cool for way longer than I need it to. I haven't tested when the water starts getting warm, but the Iron Flask is double insulated and does its job beautifully. It doesn't sweat like my last stainless mug, either.Five stars all the way.